9 INCH REAR END ALL NEW AND BLOWS FLUID OUT VENT
FINISHED A 69 MUSTANG PUT A HEIDT;S REAR FOURLINK WITH BRAND NEW HOUSING,AXLES AND A CURRIE CENTER WITH 3:89 AND DETROIT LOCKER, 31 SPLINE AXLES. BLOWS FLUID OUT OF VENT, REMOVED SHORT VENT AND PUT LONG VENT WITH HOSE TO FLOOR PAN AND STILL PUSHES FLUIDOUT. CHANGED FROM SYNTHETIC FLUID TO 80W90 PER CURRIE TECH LINE AND STILL SAME PROBLEM MADE SURE WASNT OVER FULL AND NO IMPROVEMENT, EVERYTHING FITS NICE IN NEW HOUSING, AXLESLIDE RIGHT IN, CHECKED AXLE LENGTH TO MAKE SURE WEREN'T TOUCHING IN CENTER FROM BEING TO LONG AND HAS PLENTY OF CLEARANCE. ANY CLUE? BUILT TONS OF REAR ENDS AND NEVER HAD THIS PROBLEM. TALKED WITH COUPLE OF DRIVETRAIN SHOPS AND THEY HAD NO REALANSWER EITHER. :?